Tranexamic acid is a medication that is used to prevent or control excessive bleeding. It works by slowing down the breakdown of blood clots in the body. This medication is commonly used in surgeries, dental procedures, and to treat heavy menstrual bleeding. Tranexamic acid can be taken orally, injected into a vein, or applied topically. It is important to follow the dosage instructions provided by a healthcare professional to ensure safe and effective use of this medication.